package javahys;

import java.util.Scanner;

public class YuanGong {

	public static void main(String[] args) {
Scanner scanner=new Scanner(System.in);		
		
int[] a= {20,25,27,26,30};


	
	System.out.println(a[0]+a[1]+a[2]+a[3]+a[4]/5);
	
		
		
		
		
		
	}

}
